Potty training is never easy; but your child will want to use this chair; with its contoured seat with back support and armrest. At the natural height for relaxed sitting; there are no sharp edges or slots that could hurt your child. An inner potty is secured when your child is sitting and removes for easy cleaning. Ages 18 to 36 months. 13.5H x 12W x 13.5D. Green;Pink; White or Blue.